@@ -21,12 +21,12 @@ #import "OFThread.h" #import "OFNotImplementedException.h" @implementation OFMutexUnlockFailedException -+ exceptionWithClass: (Class)class_ - mutex: (OFMutex*)mutex ++ (instancetype)exceptionWithClass: (Class)class_ + mutex: (OFMutex*)mutex { return [[[self alloc] initWithClass: class_ mutex: mutex] autorelease]; }